@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Montserrat:wght@300;400;600;800&family=Inter:wght@300;400;600&display=swap');

:root {
    /* Deterga Professional Colors */
    --deterga-blue: #003366;
    --deterga-light-blue: #ebf4ff;
    --deterga-bg: #ffffff;
    --deterga-text: #2c3e50;
    --deterga-accent: #0056b3;

    /* DetailFire High-Performance Colors */
    --df-black: #050505;
    --df-charcoal: #121212;
    --df-orange: #FF4500;
    --df-red: #8B0000;
    --df-yellow: #FFD700;
    --df-text: #F0F0F0;

    /* Fonts */
    --font-primary: 'Montserrat', sans-serif;
    --font-heading: 'Bebas Neue', sans-serif;
    --font-corporate: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* =========================================
   SHARED UTILITIES
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

a {
    text-decoration: none;
}

/* Switch Button Base */
.switch-brand-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    padding: 2rem 0.8rem;
    z-index: 9999;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 2px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    overflow: hidden;
}

/* =========================================
   DETERGA: PROFESSIONAL / CORPORATE
   ========================================= */
/* =========================================
   DETERGA: PROFESSIONAL / CORPORATE
   ========================================= */
body.deterga-page {
    background-color: #f8f9fa;
    color: var(--deterga-text);
    font-family: var(--font-corporate);
}

.deterga-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 1rem;
}

.nav-brand img {
    height: 50px;
}

.deterga-nav .nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.deterga-nav .nav-links a {
    color: var(--deterga-blue);
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.deterga-nav .nav-links a:hover {
    color: var(--deterga-accent);
}

.deterga-page h1,
.deterga-page h2,
.deterga-page h3 {
    font-family: var(--font-corporate);
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--deterga-blue);
}

.deterga-page .hero-section {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: white;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-eyebrow {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--deterga-accent);
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-main {
    background-color: var(--deterga-blue);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-main:hover {
    background-color: #002244;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 51, 102, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--deterga-blue);
    padding: 1rem 2.5rem;
    border-radius: 4px;
    font-weight: 600;
    border: 2px solid var(--deterga-blue);
    transition: all 0.3s;
}

.btn-secondary:hover {
    background-color: var(--deterga-blue);
    color: white;
}

/* Solutions Grid */
.section-padding {
    padding: 6rem 0;
}

.bg-light {
    background-color: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider {
    width: 60px;
    height: 3px;
    background: var(--deterga-accent);
    margin: 0 auto;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
    border: 1px solid #eee;
}

.solution-card:hover {
    transform: translateY(-10px);
}

.icon-box {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.solution-card p {
    color: #666;
    line-height: 1.5;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.deterga-page .product-card {
    background: white;
    border: 1px solid #eee;
    border-radius: 0;
    overflow: hidden;
    transition: all 0.3s;
}

.deterga-page .product-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.card-image-placeholder {
    height: 250px;
    background: #f4f4f4;
    position: relative;
}

.card-body {
    padding: 1.5rem;
}

.category-tag {
    font-size: 0.75rem;
    color: var(--deterga-accent);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.deterga-page .product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.btn-text {
    display: inline-block;
    margin-top: 1rem;
    color: var(--deterga-blue);
    font-weight: 600;
    font-size: 0.9rem;
}

/* Footer Grid */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.switch-to-detailfire {
    right: 0;
    background: #111;
    color: var(--df-orange);
    border-left: 4px solid var(--df-orange);
    border-radius: 8px 0 0 8px;
}

.switch-to-detailfire:hover {
    padding-right: 1.5rem;
    background: #000;
    text-shadow: 0 0 10px var(--df-orange);
}

/* =========================================
   DETAILFIRE: CINEMATIC / DARK MODE
   ========================================= */
body.detailfire-page {
    background-color: var(--df-black);
    color: var(--df-text);
    font-family: var(--font-primary);

    /* Carbon Fiber Texture Implementation */
    background-image:
        linear-gradient(27deg, #151515 5px, transparent 5px),
        linear-gradient(207deg, #151515 5px, transparent 5px),
        linear-gradient(90deg, #1b1b1b 10px, transparent 10px),
        linear-gradient(90deg, #1b1b1b 10px, transparent 10px);
    background-size: 20px 20px, 20px 20px, 10px 10px, 10px 10px;
    background-position: 0 0, 10px 10px, 0 0, 0 0;
}

.detailfire-page h1,
.detailfire-page h2,
.detailfire-page h3,
.detailfire-page .hero-title,
.detailfire-page .btn-main {
    font-family: var(--font-heading);
    text-transform: uppercase;
}

/* Navigation Bar */
.detailfire-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
    transition: background 0.3s;
}

.detailfire-nav.scrolled {
    background: rgba(5, 5, 5, 0.95);
    border-bottom: 1px solid #222;
    padding: 1rem 2rem;
}

.nav-logo img {
    height: 40px;
}

/* Menu Container (Links + Lang) */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 1px;
    transition: color 0.3s;
    text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--df-orange);
    text-shadow: 0 0 10px var(--df-orange);
}

/* Language Switcher */
.lang-switch {
    display: flex;
    gap: 0.5rem;
    font-family: var(--font-heading);
}

.lang-btn {
    background: transparent;
    border: 1px solid #444;
    color: #888;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.lang-btn.active,
.lang-btn:hover {
    border-color: var(--df-orange);
    color: var(--df-orange);
    box-shadow: 0 0 5px var(--df-orange);
}

/* Hamburger Menu (Hidden by default) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    z-index: 1002;
}

.hamburger span {
    display: block;
    width: 30px;
    height: 3px;
    background-color: white;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* =========================================
   DETERGA DETAIL PAGE & MOBILE
   ========================================= */

/* --- BASE STYLES (Desktop Default) --- */

/* Navigation */
.deterga-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1000;
}

.deterga-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.deterga-hamburger {
    display: none;
    /* Hidden on Desktop */
}

.lang-switch-deterga .lang-btn {
    border: 1px solid #ddd;
    color: #888;
    background: transparent;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
}

.lang-switch-deterga .lang-btn.active {
    background: var(--deterga-blue);
    color: white;
    border-color: var(--deterga-blue);
}

/* Detail Page Layout */
.deterga-product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.product-gallery .main-image-placeholder {
    width: 100%;
    height: 500px;
    background: #f8f9fa;
    border: 1px solid #eee;
    border-radius: 4px;
    display: block;
}

.product-info {
    padding-right: 2rem;
}

.product-category-label {
    color: var(--deterga-accent);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.product-title {
    font-size: 2.5rem;
    color: var(--deterga-blue);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.product-volume {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1.5rem;
    display: block;
}

.product-divider {
    height: 1px;
    background: #eee;
    width: 100%;
    margin-bottom: 1.5rem;
}

.product-desc {
    color: #555;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.product-features li {
    margin-bottom: 0.8rem;
    font-weight: 500;
    color: var(--deterga-text);
}

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    transition: transform 0.2s;
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    background-color: #128C7E;
}

.tech-specs h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--deterga-blue);
    display: inline-block;
    padding-bottom: 0.2rem;
}

.tech-specs table {
    width: 100%;
    border-collapse: collapse;
}

.tech-specs td {
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
    color: #555;
}

.tech-specs td:first-child {
    font-weight: 600;
    width: 40%;
}


/* --- MOBILE RESPONSIVENESS (Overrides) --- */
@media (max-width: 768px) {

    /* Navigation */
    .deterga-hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        z-index: 1002;
        padding: 0.5rem;
    }

    .deterga-hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background-color: var(--deterga-blue);
        transition: all 0.3s;
    }

    .deterga-menu {
        position: fixed;
        top: 0;
        right: -100%;
        /* Hidden off-screen by default */
        width: 100%;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        transition: right 0.4s ease;
        z-index: 1001;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .deterga-menu.active {
        right: 0;
        /* Slide in */
    }

    .deterga-menu .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .deterga-menu .nav-links a {
        font-size: 1.5rem;
        color: var(--deterga-text);
    }

    .lang-switch-deterga {
        transform: scale(1.2);
    }

    /* Layout Overrides */
    .deterga-product-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-top: 2rem;
    }

    .product-info {
        padding-right: 0;
    }

    .solutions-grid,
    .product-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 2rem !important;
    }
}

/* Cinematic Hero */
.detailfire-page .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: url('assets/images/red_sports_car_fire_hero.png') no-repeat center bottom;
    background-size: cover;
    padding-top: 10vh;
}

.detailfire-page .hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background: linear-gradient(to top, var(--df-black), transparent);
    z-index: 1;
}

.smoke-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, transparent 0%, #000 90%);
    pointer-events: none;
    z-index: 2;
}

#ember-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
    overflow: hidden;
}

.ember {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--df-orange);
    border-radius: 50%;
    box-shadow: 0 0 5px var(--df-red);
    animation: ember-float linear infinite;
}

.detailfire-page .hero-content {
    z-index: 10;
    text-align: center;
    width: 100%;
    max-width: 1000px;
    padding: 0 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    position: relative;
    top: -50px;
}

.detailfire-page .brand-logo {
    max-width: 300px;
    width: 80%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(255, 69, 0, 0.6));
    animation: flicker 5s infinite slow;
    margin-bottom: 3rem;
}

.detailfire-page .hero-title {
    font-size: 5rem;
    color: white;
    letter-spacing: 4px;
    line-height: 0.9;
    margin-bottom: 2rem;
    text-shadow: 0 0 30px rgba(0, 0, 0, 0.9), 0 0 10px var(--df-red);
}

.detailfire-page .hero-title span {
    display: block;
    font-size: 6rem;
    background: -webkit-linear-gradient(#fff, #ccc);
    -webkit-background-clip: text;
    background-clip: text;
}

.detailfire-page .hero-subtitle {
    font-size: 1.5rem;
    color: #ccc;
    margin-bottom: 3rem;
    font-weight: 300;
}

.detailfire-page .btn-main {
    background: linear-gradient(135deg, var(--df-orange), var(--df-red));
    color: white;
    padding: 1.2rem 4rem;
    font-size: 1.8rem;
    border: 2px solid var(--df-red);
    clip-path: polygon(15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%, 0 15px);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    text-shadow: 0 2px 2px rgba(0, 0, 0, 0.5);
    display: inline-block;
    cursor: pointer;
}

.detailfire-page .btn-main:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px var(--df-orange);
    border-color: var(--df-yellow);
    color: #fff;
}

/* Section Styling */
.section-title {
    font-size: 3.5rem;
    color: #fff;
    letter-spacing: 2px;
    text-align: center;
    font-family: var(--font-heading);
    margin-bottom: 1rem;
}

.section-divider {
    width: 100px;
    height: 4px;
    background: var(--df-orange);
    margin: 1rem auto 4rem;
    box-shadow: 0 0 10px var(--df-red);
}

/* =========================================
   PRODUCTS PAGE STYLES
   ========================================= */
.mini-hero {
    height: 300px;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.mini-hero .hero-content {
    top: 0;
    margin-top: 80px;
    /* Offset for fixed nav */
}

/* Category Bar (Horizontal) */
.category-bar {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 3rem 0;
    flex-wrap: wrap;
    border-bottom: 1px solid #222;
    padding-bottom: 1rem;
}

.cat-btn {
    background: transparent;
    border: none;
    color: #666;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.cat-btn.active,
.cat-btn:hover {
    color: var(--df-orange);
    text-shadow: 0 0 10px rgba(255, 69, 0, 0.5);
    background: rgba(255, 69, 0, 0.1);
}

/* Catalog Layout - Full Width */
.catalog-layout-full {
    display: block;
    margin-top: 1rem;
}

/* Product Grid Adjustments */
.product-grid-area {
    width: 100%;
}

.product-grid.columns-3 {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

/* Enhanced Cards */
.product-card.dark-mode {
    background: #0f0f0f;
    border: 1px solid #222;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card.dark-mode:hover {
    transform: translateY(-15px);
    border-color: var(--df-orange);
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.8),
        0 0 20px rgba(255, 69, 0, 0.3),
        inset 0 0 0 1px var(--df-orange);
}

.product-image-area {
    position: relative;
    height: 250px;
    background: radial-gradient(circle, #252525 0%, #111 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Quick View Overlay */
.quick-view-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 69, 0, 0.8);
    color: white;
    font-family: var(--font-heading);
    text-align: center;
    padding: 0.5rem;
    transform: translateY(100%);
    transition: transform 0.3s;
}

.product-image-area:hover .quick-view-overlay {
    transform: translateY(0);
}

.rating {
    color: var(--df-yellow);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-desc {
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.4;
}

/* About Section */
#about {
    padding: 6rem 1rem;
    background: rgba(0, 0, 0, 0.5);
    text-align: center;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ccc;
}

/* Gallery Section */
#gallery {
    padding: 6rem 1rem;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1rem;
}

.gallery-item {
    height: 300px;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid #333;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* DetailFire Product Grid */
.detailfire-page .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 5;
    padding-bottom: 5rem;
}

.product-placeholder {
    width: 100px;
    height: 200px;
    background: linear-gradient(to right, #222, #444, #222);
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

/* Large placeholder for Detail Page */
.product-placeholder.large {
    width: 200px;
    height: 400px;
}

.card-content {
    padding: 1.5rem;
    background: #111;
    text-align: center;
    border-top: 1px solid #1a1a1a;
}

.card-content h3 {
    color: #fff;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    letter-spacing: 1px;
}

.price {
    font-size: 1.6rem;
    color: var(--df-orange);
    display: block;
    margin-bottom: 1rem;
    font-weight: 700;
}

.btn-add-cart {
    background: transparent;
    border: 1px solid #444;
    color: #888;
    padding: 0.8rem 0;
    width: 100%;
    font-family: var(--font-heading);
    letter-spacing: 2px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    display: block;
    text-align: center;
}

.btn-add-cart:hover {
    background: var(--df-orange);
    color: #000;
    border-color: var(--df-orange);
    box-shadow: 0 0 20px var(--df-orange);
}

/* Switch to Deterga */
.switch-to-deterga {
    left: 0;
    background: #fff;
    color: var(--deterga-blue);
    border-right: 4px solid var(--deterga-blue);
    border-radius: 0 8px 8px 0;
    transform: translateY(-50%) rotate(180deg);
}

.switch-to-deterga:hover {
    padding-left: 0.5rem;
    background: #f0f0f0;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
}

/* =========================================
   PRODUCT DETAIL PAGE STYLES
   ========================================= */
.product-detail-page .product-intro {
    padding-top: 120px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    min-height: 80vh;
}

/* Visual Side */
.product-visual {
    position: relative;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #222;
    background: #0f0f0f;
    border-radius: 8px;
    overflow: hidden;
}

.magma-glow-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 120%, rgba(255, 69, 0, 0.2) 0%, transparent 60%);
    z-index: 1;
}

.product-visual .product-placeholder {
    z-index: 2;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
}

/* Info Side */
.product-info-panel .product-category {
    color: var(--df-orange);
    letter-spacing: 2px;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.5rem;
}

.product-info-panel .product-title {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255, 69, 0, 0.3);
}

.product-description {
    font-size: 1.1rem;
    color: #ccc;
    line-height: 1.8;
    margin: 2rem 0;
}

/* Specs Grid */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 3rem;
    border-top: 1px solid #222;
    border-bottom: 1px solid #222;
    padding: 1.5rem 0;
}

.spec-item {
    text-align: center;
}

.spec-label {
    display: block;
    color: #666;
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
    letter-spacing: 1px;
}

.spec-value {
    display: block;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
}

/* Usage Guide */
.usage-guide {
    background: #0a0a0a;
    padding: 6rem 1rem;
    border-top: 1px solid #222;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: #111;
    padding: 2rem;
    border-left: 3px solid var(--df-orange);
    position: relative;
}

.step-number {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.05);
    font-weight: 800;
    position: absolute;
    top: 5px;
    right: 20px;
}

.step-card h3 {
    color: var(--df-orange);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.step-card p {
    color: #888;
    line-height: 1.6;
}

.related-products {
    padding: 6rem 1rem;
}

/* =========================================
   MEDIA QUERIES (FULL RESPONSIVE)
   ========================================= */
@media (max-width: 768px) {

    /* DetailFire Mobile Header */
    .detailfire-nav {
        padding: 1rem;
        background: rgba(0, 0, 0, 0.9);
    }

    .hamburger {
        display: flex;
    }

    /* Hide menu by default */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        justify-content: center;
        transition: right 0.4s ease;
        z-index: 1001;
        /* Above hamburger */
    }

    /* Show when active */
    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
        margin-bottom: 3rem;
    }

    .nav-links a {
        font-size: 2.5rem;
    }

    .lang-switch {
        transform: scale(1.5);
    }

    /* Hero Text Sizing */
    .detailfire-page .hero-title {
        font-size: 3rem;
    }

    .detailfire-page .hero-title span {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    /* Buttons */
    .detailfire-page .btn-main {
        padding: 1rem 2rem;
        font-size: 1.2rem;
        width: 80%;
        margin-left: auto;
        margin-right: auto;
    }

    /* Switch Button Mobile */
    .switch-brand-btn {
        writing-mode: horizontal-tb;
        transform: rotate(0);
        bottom: 20px;
        top: auto;
        left: 5%;
        right: 5%;
        width: 90%;
        text-align: center;
        padding: 1rem;
        border-radius: 4px;
        letter-spacing: 1px;
    }

    .switch-to-deterga {
        border: none;
        border-bottom: 4px solid var(--deterga-blue);
    }

    /* Section Titles */
    .section-title {
        font-size: 2.5rem;
    }

    /* Catalog Layout */
    .catalog-layout {
        grid-template-columns: 1fr;
        /* Stack sidebar */
    }

    .catalog-sidebar {
        margin-bottom: 2rem;
    }

    /* Product Detail Mobile */
    .product-detail-page .product-intro {
        grid-template-columns: 1fr;
        padding-top: 100px;
        gap: 2rem;
    }

    .product-visual {
        height: 400px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
    }

    /* Category Bar Scroll */
    .category-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        justify-content: flex-start;
        padding-left: 1rem;
        padding-right: 1rem;
        -webkit-overflow-scrolling: touch;
    }

    .cat-btn {
        flex-shrink: 0;
    }
}